After reading some topics here, i get a question about backup and RPO.
If I take a snapshot every day, my RPO could be 24h : that's a lots.
But taking a snapshot every hour or every 10' or more is a lots too ...
With Elasticsearch is there something like Oracle transaction logs ?
I remembered that there are some luccene buffers but they are in memory and as i understood they can not be used to restore a cluster.
Thanks for any help.